Keita Davis, of Waimate High School, asks :-
When do your feet stop growing?
Jean-Claude Theis, an orthopedic surgeon at the Dunedin School of Medicine, responded.
This requires a brief look at the normal human growth from birth to skeletal maturity. During the early months of life growth occurs very rapidly and then settles down to a steady rate after the second year to about the time of adolescence when there is a marked adolescence spurt of growth that begins at about the ages of 10.5 - 11 in girls and 12.5 - 13 years in boys and last for about 2 - 2.5 years in both sexes. Our bones stop growing when skeletal maturity is reached which occurs around 16 in girls and 18 in boys.
It might also be of interest to consider the factors involved in bone formation and development as they can affect bone growth and development. The most important ones are: nutrition, vitamins, hormones in particular growth hormone, thyroid hormone and sex hormones, vitamin D through its influence on calcium and phosphate balance etc. The other important factor which determines how tall we grow is our genetic background and if our parents or brothers and sisters are tall and have long feet it is very likely that the same will happen to us.
Therefore to answer your question "When do your feet stop growing?" really depends on whether you are a boy or girl and in the case of boys feet stop growing around 18 whereas in girls this happens a little bit earlier around 16. The overall length of our feet is genetically determined and depends on the size of our parents feet.